Finding the Third Proportional to 42,255 and 89,693

Step by Step Solution

1. Step 1: Write the proportion equation
   42,255 : 89,693 = 89,693 : x
2. Step 2: Convert to fraction form
   42,255/89,693 = 89,693/x
3. Step 3: Cross multiply
   42,255x = 89,693 × 89,693
4. Step 4: Simplify right side
   42,255x = 8,044,834,249
5. Step 5: Solve for x
   x = 8,044,834,249/42,255
6. Step 6: Final answer
   x = 190,387.75